Scientists with the U.S. National Science Foundation have identified a large object in the outer reaches of the solar system ...

"Become an even smaller baby."That one sentence started the story of the universe with baby Sol.In parts ①〜③, we traced the ...

If you ask planetary astronomers where the solar system ends, they will say well past the planets, well past the bright band of the Kuiper Belt where Pluto resides, and still further to a shadowy ...

Somewhere in the direction of the constellation Sagittarius, about twenty-five thousand light-years away, sits the anchor of ...

The newest is big enough that gravity has likely pulled it into a sphere, and it has been hiding against the busiest patch of ...

Billions of years from now, the sun is expected to run out of fuel and greatly expand into what is called a red giant, eventually shedding ...

For now, the object announced by the Vera C. Rubin Observatory team earlier this week only goes by its provisional ...

In "The Devil in the Dark," the silicon-based Horta go undetected by scans built for carbon-based life. Wong expects real ...

Star Trek's Genesis device melts a world down and rebuilds it. Thompson does something similar on a tiny scale, using a laser ...

An exhilarating period for science,’ say UChicago scientists who played key role in telescope design and deployment ...

Last week, we explored the wonders of our universe, from Perseverance's record-setting journey across Mars and the city of ...

Astronomers using the NSF-DOE Vera C. Rubin Observatory have found what may be a new dwarf planet in the outer Solar System.